{"id":3688,"date":"2022-08-24T08:35:10","date_gmt":"2022-08-24T00:35:10","guid":{"rendered":"https:\/\/limegreen-okapi-448594.hostingersite.com\/?post_type=product&p=3688"},"modified":"2026-07-29T19:24:00","modified_gmt":"2026-07-29T11:24:00","slug":"single-seat-control-valve","status":"publish","type":"product","link":"https:\/\/raymonvalve.com\/pt\/product\/single-seat-control-valve\/","title":{"rendered":"V\u00e1lvula de Controle de Assento \u00danico"},"content":{"rendered":"
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Engineering scope<\/div>\n

Single-Seat Control Valve selection starts with the service duty<\/h2>\n

A Single-Seat Control Valve is evaluated for modulating process control. A throttling element changes effective flow area in response to a control signal. Installed characteristic, Cv, pressure recovery, trim velocity and actuator resolution determine control quality.<\/p>\n

Use the name as a starting point. Technical approval still depends on the defining construction and operating characteristics of single-seat control valve, the complete service envelope, installed interfaces and measurable acceptance.<\/p>\n

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Configuration<\/h3>\n

The defining construction and operating characteristics of single-seat control valve. Confirm service conditions, construction, materials, operation, testing and document requirements for single-seat control valve.<\/p>\n<\/div>\n

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Application envelope<\/h3>\n

Confirm every pressure, temperature, differential-pressure and cycling case for this Single-Seat Control Valve.<\/p>\n<\/div>\n

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Installed interface<\/h3>\n

Verify ends, bore, flow direction, orientation, operator envelope, loads and maintenance access.<\/p>\n<\/div>\n

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Order-specific boundary<\/h3>\n

Published information supports initial screening; final size, class, materials, trim, operation, tests and documents are fixed in approved order records.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/section>\n

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Existing listing data<\/div>\n

Published configuration data for Single-Seat Control Valve\u2014confirmation required<\/h2>\n

The values below are transcribed from the previous public product listing so useful model information is not lost during the quality rebuild. They are not a universal available range, certificate or order commitment. Confirm every value in the accepted quotation, tag datasheet and approved drawing.<\/p>\n

\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Parameter<\/th>\nPrevious listing<\/th>\nRequired order check<\/th>\n<\/tr>\n<\/thead>\n
Product type<\/b><\/td>\nNot stated in the previous public listing.<\/td>\nConfirm the exact model, construction and supplied configuration.<\/td>\n<\/tr>\n
Nominal size \/ DN<\/b><\/td>\n40-400<\/td>\nConfirm each ordered tag and available trim or bore combination.<\/td>\n<\/tr>\n
Pressure rating<\/b><\/td>\nPN16-110 ANSI Class 150-600<\/td>\nConfirm governing rating standard, class and temperature basis.<\/td>\n<\/tr>\n
Temperature<\/b><\/td>\n196~+566\u2103<\/td>\nConfirm design, operating, startup and upset metal temperatures.<\/td>\n<\/tr>\n
End connection<\/b><\/td>\nGBDIN, ANSIJIS, etc.<\/td>\nConfirm standard, facing, schedule, bore and mating interface.<\/td>\n<\/tr>\n
Flow coefficient \/ characteristic<\/b><\/td>\n10-3200<\/td>\nConfirm calculated cases, trim, travel and installed behavior.<\/td>\n<\/tr>\n
Body \/ bonnet material<\/b><\/td>\ncarbon steel, stainless steel, special alloy steel<\/td>\nConfirm component grade, product form, heat treatment and records.<\/td>\n<\/tr>\n
Trim \/ closure material<\/b><\/td>\nstainless steel. Stainless steel + hardened. Stainless steel + cemented carbide, special alloy steel stainless steel + PTFE Optional: – Bellows seal – Insulation jacket -Luft low leakage packing Features: -Optimized actuator for various air supply conditions –<\/td>\nConfirm every wetted component, hardness, coating and pairing.<\/td>\n<\/tr>\n
Seat \/ seal material<\/b><\/td>\nNot stated in the previous public listing.<\/td>\nConfirm compatibility, leakage criterion and pressure-temperature limit.<\/td>\n<\/tr>\n
Operation \/ actuator<\/b><\/td>\nNot stated in the previous public listing.<\/td>\nConfirm worst-case load, fail state, utilities, speed and accessories.<\/td>\n<\/tr>\n
Leakage basis<\/b><\/td>\nV, V and V classes Material:<\/td>\nConfirm standard, edition, test direction, medium and measurable acceptance.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

Evidence boundary:<\/b> where the previous listing was incomplete or awkwardly translated, this page does not guess a value. Raymon Valve should replace provisional web data with the controlled product datasheet when it is available.<\/p>\n<\/div>\n<\/section>\n

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Specification workflow<\/div>\n

Build the technical requirement before approving the model<\/h2>\n

Record the question, accepted answer and proof so the Single-Seat Control Valve proposal can be audited across disciplines.<\/p>\n

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Review area<\/th>\nEngineering question<\/th>\nRequired record<\/th>\n<\/tr>\n<\/thead>\n
Sizing cases<\/td>\nMinimum, normal, maximum, startup and upset cases require verified fluid properties and pressures.<\/td>\nCapture the selection basis, approved deviation if any and the record used for acceptance.<\/td>\n<\/tr>\n
Trim duty<\/td>\nCavitation, flashing, choked gas flow, noise, erosion and rangeability must be evaluated.<\/td>\nFreeze the accepted value in the tag datasheet and verify it on the approved drawing.<\/td>\n<\/tr>\n
Actuator<\/td>\nRequired thrust or torque, fail action, stroking speed and utility supply must be coordinated.<\/td>\nState the measurable requirement and connect it to a drawing, procedure or test result.<\/td>\n<\/tr>\n
Accessories<\/td>\nPositioner, solenoids, limit switches, air set and hazardous-area requirements form one package.<\/td>\nName the controlling document, responsible reviewer and inspection or calculation record.<\/td>\n<\/tr>\n
Configuration<\/td>\nConfirm service conditions, construction, materials, operation, testing and document requirements for single-seat control valve.<\/td>\nCapture the selection basis, approved deviation if any and the record used for acceptance.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

A standard title alone is not acceptance. Map its scope, edition and required evidence to the valve tag.<\/p>\n<\/div>\n<\/section>\n

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Application boundaries<\/div>\n

Failure exposures behind the nominal configuration<\/h2>\n

Do not size a control valve from pipe diameter alone; incorrect Cv can cause poor resolution, noise, cavitation or premature trim damage. Installed behavior can be governed by flow dynamics, deposits, operating frequency, maintenance access and the response to abnormal conditions.<\/p>\n

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Complete medium composition, pressure, temperature and flow cases for the Single-Seat Control Valve<\/div>\n
Valve role, operating cycles, permitted leakage, safe state and consequence of failure<\/div>\n
Nominal interface plus the flange\/weld details, flow direction, face-to-face and operator envelope<\/div>\n
Body, trim, seat, packing, bolting, lining or coating materials as applicable<\/div>\n
Worst-case torque\/thrust, cycle duty, travel time, fail behavior, minimum utility and control accessories<\/div>\n
Exact standards and editions, ITP points, material\/NDE\/pressure\/leakage tests and turnover index<\/div>\n<\/div>\n<\/div>\n<\/section>\n
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Evidence and quality<\/div>\n

Request evidence that matches the supplied design<\/h2>\n

A certificate or report is useful only when its scope traces to the actual tag, materials and configuration. Use the valve standards guide<\/a> to separate product, rating, dimensional, end-connection and test scope.<\/p>\n

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Design basis<\/h3>\n

Approved datasheet, drawing, bill of materials, rating basis and documented deviations.<\/p>\n<\/div>\n

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Material identity<\/h3>\n

Component certificates, heat or lot traceability, heat treatment, hardness and required PMI or NDE.<\/p>\n<\/div>\n

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Inspection and tests<\/h3>\n

Approved ITP, procedures, calibrated instruments, results, witness records and NCR closeout.<\/p>\n<\/div>\n<\/div>\n

The final configuration must be supported by the approved datasheet and drawing.<\/p>\n

Qualification, testing and material suitability are conditional on the approved scope and supplied records for the actual configuration.<\/p>\n<\/div>\n<\/section>\n

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RFQ checklist<\/div>\n

RFQ inputs that remove avoidable assumptions<\/h2>\n

Send tag identity, quantity, fluid, all design and operating cases, line interface, function, flow data, materials, operation, testing, inspection and turnover scope.<\/p>\n

For a Single-Seat Control Valve, also highlight the defining construction and operating characteristics of single-seat control valve. Identify missing inputs and provisional selections so they can be closed before purchase order release.<\/p>\n

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Request a tag-level technical review<\/h2>\n

Provide the actual application; the response will separate confirmed requirements from assumptions and identify the checks still required.<\/p>\n<\/div>\n

Submit Your Datasheet<\/a>Compare Control Valve Options<\/a><\/div>\n<\/div>\n<\/div>\n<\/section>\n
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Related engineering route<\/div>\n

Follow the product, application and inspection route<\/h2>\n
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Product family<\/h3>\n

Compare the main constructions and selection boundaries in this valve family.<\/p>\n

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Project Valve Review<\/h3>\n

Resolve interacting pressure, temperature, corrosion, wear or project risks.<\/p>\n

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Testing and inspection<\/h3>\n

Define pressure-test scope, acceptance, instruments, witness points and records.<\/p>\n

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